National Weather Service United States Department of Commerce

Wet weather continues across Pacific Northwest and New England

Two developing storm systems will continue to bring heavy rain to opposite coasts of the U.S. on Thursday. One system is affecting the Pacific Northwest and northern California while the other affects New England. There is a risk of flash flooding across parts of New England on Thursday where Flash Flood Watches are in effect.
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Hazardous Weather Conditions

Current Conditions

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2 Miles N Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 45 °F

Thursday

Showers Chance for Measurable Precipitation 100%

Showers

High: 51 °F

Thursday
Night

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

Low: 43 °F

Friday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 56 °F

Friday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 45 °F

Saturday

Rain Chance for Measurable Precipitation 80%

Rain

High: 57 °F

Saturday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 38 °F

Sunday

Snow Likely

Snow
Likely

High: 41 °F

Sunday
Night

Snow Likely

Snow
Likely

Low: 39 °F

Detailed Forecast

  • Tonight Rain. The rain could be heavy at times. Low around 45. South southwest wind 13 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Thursday Showers. High near 51. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Thursday Night Rain showers before 11pm, then rain and snow showers likely. Low around 43. South wind around 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
  • Friday Rain likely, mainly after 11am. Mostly cloudy, with a high near 56. Southeast wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
  • Friday Night Rain. Low around 45. South southeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Saturday Rain. High near 57. Chance of precipitation is 80%.
  • Saturday Night Rain showers. Low around 38. Windy. Chance of precipitation is 80%.
  • Sunday Snow showers likely. Mostly cloudy, with a high near 41.
  • Sunday Night Snow showers likely. Mostly cloudy, with a low around 39.
  • Monday Rain and snow showers likely. Cloudy, with a high near 45.
  • Monday Night Rain likely. Cloudy, with a low around 45.
  • Tuesday Rain. Cloudy, with a high near 49.
  • Tuesday Night Showers likely. Cloudy, with a low around 44.
  • Wednesday Rain likely. Cloudy, with a high near 49.